Note
QST, May 1976, p. 6.
QST, Jun 1976, p. 90. (partial inside view)
TS-820S
QST, Jul 1977, p. 132.
QST, Aug 1977, back cover. (good photo)
QST, Mar 1982, p. 145. (close out)
FREQUENCY RANGE: 1.8-29.7 MHz (160 - 10 meters)
MODES: USB. LSB. CW. FSK
INPUT POWER: 200W PEP on SSB 160W DC on CW, 100 W DC on FSK
ANTENNA IMPEDANCE: 50-75 ohms. unbalanced
CARRIER SUPPRESSION: Better than –40 dB
SIDEBAND SUPPRESSION: Better than –50 dB
SPURIOUS RADIATION Greater than –60 dB
(Harmonics more than –40 dB)
RECEIVER SENSITIVITY Better than 0.25 uV
RECEIVER SELECTIVITY SSB 2.4 kHz (–6 d8), 4.4 KH2 (–60 dB)
RECEIVER SELECTIVITY CW 0.5 kHz (–6 dB), 1.8 kHz (–60 B) (with optional CW filter installed)
IMAGE RATIO: 160-15 meters better than 60 dB, 10 meters better than 50 dB
IF REJECTION Better than 80 dB
POWER REQUIREMENTS
120/220 VAC, 50/60 Hz.
13.8 VDC (with optional DS-1A DC-DC converter)
POWER CONSUMPTION Transmit: 280 watts, receive 26 watts (heaters off)
References
Review. Popular Electronics, May 1977, p. 90.
Adding a QSK system. QST, Feb 1981, p. 32.
Frequency jumps. QST, Feb 1982, 50.
